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a sourcebook of hiv/aids prevention programs volume 2

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122 A Sourcebook <strong>of</strong> HIV/AIDS Prevention Programs, Vol. 2• Knowledge about transmission and <strong>prevention</strong> <strong>of</strong> HIV• Attitudes toward risk and <strong>prevention</strong>• Teaching and activities in school• Sexual behavior (students only)• Attitudes toward sexual, gender, and cultural issues• Community behavior and activities.ResultsAt 18 months the program showed the following impressive results in targetschools (table 6.1):• Sexual initiation among both boys and girls was delayed.• Fewer boys and girls reported they had ever had sex.• More girls reported having been forced to have sex.• More boys reported avoiding places in order not to have sex.• More girls reported condom use during last sexual encounter.• More girls felt they could say no to sex.Table 6.1: Odds Ratios for Impact <strong>of</strong> Interventions on Student Behavior and AttitudesITEM BOYS GIRLSEver had sex 0.80** 0.86**Had first sexual experience in past year 0.62*** 0.60***Ever forced to have sex 0.90 1.15*Ever avoided a place to avoid sex 1.35** 1.07Used condom during last sexual encounter 1.07 1.53**Can definitely say no to sex 1.07 1.30**Can definitely have a boyfriend or girlfriend and not have sex 1.20* 1.30**Can definitely tell boyfriend or girlfriend that I prefer to waituntil I am married to have sex 1.15* 1.25**Definitely believe “no” means “no” 0.90 1.20**Source: Cf BT.* Significant at the 5 percent level. ** Significant at the 1 percent level. *** Significant at the 0.1 percent level.Note: Odds ratios compare the size <strong>of</strong> the changes among the student population in the target schools and those in control schools,taking account <strong>of</strong> the baseline difference between the target and control groups. An odds ratio <strong>of</strong> 1 represents no differencebetween target and control schools, a ratio greater than 1 represents an increase in target schools, and a ratio less than 1 representsa decrease in target schools. The farther the ratio is from 1, the larger the change. An odds ratio <strong>of</strong> 0.60 for girls’ sexualinitiation indicates that the net gain in delaying first sexual encounter in the year before data collection for girls in target schoolscompared with control schools is 37.5 percent.(c) The International Bank for Reconstruction and Development / The World Bank

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